Hey opera folks who might be reading this - work on simplifying offline access to web content. I want to be able to maintain ~100 GB of offline data store, full text searchable. Wikipedia, stackexchange\stackoverflow, khan academy, zealdocs and whole bunch of other sources of useful browser renderable web content provide dumps of their data. And then they end up having to build spl apps and extensions and other garba…
Sadly this kind of feature disappeared when opera moved to a quarterly profit based strategy.
The kind of feature you want is achievable today but requires a set of tools beyond a web browser and some human work. It's also a bit tedious to maintain up to date.